Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5155616 | Scanning optical system | Katsumi Yamaguchi | 1992-10-13 |
| 5128795 | Scanning lens and scanning apparatus using scanning lens | Osamu Endou | 1992-07-07 |
| 5005928 | Optical scanning system | Seizo Suzuki, Katsumi Yamaguchi, Osamu Endo | 1991-04-09 |
| 4955682 | Scanning optical system | Katsumi Yamaguchi | 1990-09-11 |
| 4953171 | Semiconductor laser source unit | Tomohiro Nakajima, Kazuyuki Shimada, Seizoh Suzuki, Katsumi Yamaguchi | 1990-08-28 |
| 4943128 | Light scanning device | Hiromi Takada, Takami Suzuki, Toshio Shiina, Keiji Okamoto, Takeshi Komurasaki +2 more | 1990-07-24 |
| 4934772 | Light beam scanning lens and light beam scanning device | Katsumi Yamaguchi | 1990-06-19 |
| 4932734 | Optical scanning system using a laser diode array | Kenichi Takanashi | 1990-06-12 |
| 4770517 | Two-lens f.theta. lens | — | 1988-09-13 |
| 4758059 | Post-objective type optical deflector | — | 1988-07-19 |
| 4756585 | Optical beam scanning system | Yutaka Kaneko | 1988-07-12 |
| 4712884 | Lens system for deflected light beam | Keinichi Takanashi | 1987-12-15 |
| 4707085 | F.theta. lens for use in light beam scanner | Kenichi Takanashi | 1987-11-17 |
| 4695132 | F.theta. single lens | — | 1987-09-22 |
| 4627685 | Post-objective type scanning device | — | 1986-12-09 |
| 4586782 | Laser beam optical system with inclined cylindrical lens | Yutaka Kaneko | 1986-05-06 |
| 4571035 | Two-element f.theta. lens group capable of correcting leaning of deflecting plane | — | 1986-02-18 |
| 4436407 | Electrophotographic reproduction of a three-dimensional object | Toyokazu Satomi | 1984-03-13 |